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SECTION 1
General
This section provides fundamental information about the functions and features of the PTs, types of connection, communica-
tion methods, etc. This information will enable you to understand the applications of the PTs.
1-1
Role and Operation of the PT
2
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1-1-1
Operation of a PT at an FA Production Site
2
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1-1-2
Operations of the PT
3
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1-2
Functions of the NT31/NT31C and NT631/NT631C
4
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1-2-1
Features
4
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1-2-2
Comparison between NT31, NT31C, NT631, and NT631C
5
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1-2-3
Additional Functions of the V2 Versions
6
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1-2-4
Comparisons with Earlier Models
7
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1-2-5
Principal Functions of NT31/NT31C and NT631/NT631C
10
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1-2-6
Displays
12
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1-3
System Configuration
18
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1-3-1
Peripheral Devices That Can Be Connected
18
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1-3-2
Connecting to the Host
19
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1-4
Communications with the Host
21
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1-4-1
Direct Connection Function
21
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1-4-2
Host Link
22
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1-4-3
NT Link
22
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1-4-4
Functions of the Allocated Bits and Words
23
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1-4-5
Connecting to other Companies’ PCs
28
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1-5
Communication by Using Memory Link
29
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1-5-1
Memory Link
29
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1-5-2
Comparison between Direct Connection and Memory Link
29
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1-5-3
Memory Link Online Transfer Function
30
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1-6
Before Operating
31
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Summary of Contents for NT21 Series
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